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<FONT color="green">001</FONT>    <a name="line.1"></a>
<FONT color="green">002</FONT>    /*<a name="line.2"></a>
<FONT color="green">003</FONT>     * Copyright (C) 2010 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<FONT color="green">004</FONT>     *<a name="line.4"></a>
<FONT color="green">005</FONT>     * $Id: RFC2217.html 32 2010-11-22 22:54:34Z archie.cobbs $<a name="line.5"></a>
<FONT color="green">006</FONT>     */<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    package org.dellroad.jvser;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    <a name="line.10"></a>
<FONT color="green">011</FONT>    <a name="line.11"></a>
<FONT color="green">012</FONT>    /**<a name="line.12"></a>
<FONT color="green">013</FONT>     * RFC 2217 constants and utility methods.<a name="line.13"></a>
<FONT color="green">014</FONT>     *<a name="line.14"></a>
<FONT color="green">015</FONT>     * @see &lt;a href="http://tools.ietf.org/html/rfc2217"&gt;RFC 2217&lt;/a&gt;<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    public final class RFC2217 {<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>        // COM-PORT-OPTION telnet option<a name="line.19"></a>
<FONT color="green">020</FONT>        public static final int COM_PORT_OPTION = 44;<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>        // COM-PORT-OPTION commands<a name="line.22"></a>
<FONT color="green">023</FONT>        public static final int SIGNATURE = 0;<a name="line.23"></a>
<FONT color="green">024</FONT>        public static final int SET_BAUDRATE = 1;<a name="line.24"></a>
<FONT color="green">025</FONT>        public static final int SET_DATASIZE = 2;<a name="line.25"></a>
<FONT color="green">026</FONT>        public static final int SET_PARITY = 3;<a name="line.26"></a>
<FONT color="green">027</FONT>        public static final int SET_STOPSIZE = 4;<a name="line.27"></a>
<FONT color="green">028</FONT>        public static final int SET_CONTROL = 5;<a name="line.28"></a>
<FONT color="green">029</FONT>        public static final int NOTIFY_LINESTATE = 6;<a name="line.29"></a>
<FONT color="green">030</FONT>        public static final int NOTIFY_MODEMSTATE = 7;<a name="line.30"></a>
<FONT color="green">031</FONT>        public static final int FLOWCONTROL_SUSPEND = 8;<a name="line.31"></a>
<FONT color="green">032</FONT>        public static final int FLOWCONTROL_RESUME = 9;<a name="line.32"></a>
<FONT color="green">033</FONT>        public static final int SET_LINESTATE_MASK = 10;<a name="line.33"></a>
<FONT color="green">034</FONT>        public static final int SET_MODEMSTATE_MASK = 11;<a name="line.34"></a>
<FONT color="green">035</FONT>        public static final int PURGE_DATA = 12;<a name="line.35"></a>
<FONT color="green">036</FONT>        public static final int SERVER_OFFSET = 100;<a name="line.36"></a>
<FONT color="green">037</FONT>    <a name="line.37"></a>
<FONT color="green">038</FONT>        // SET_DATASIZE values<a name="line.38"></a>
<FONT color="green">039</FONT>        public static final int DATASIZE_REQUEST = 0;<a name="line.39"></a>
<FONT color="green">040</FONT>        public static final int DATASIZE_5 = 5;<a name="line.40"></a>
<FONT color="green">041</FONT>        public static final int DATASIZE_6 = 6;<a name="line.41"></a>
<FONT color="green">042</FONT>        public static final int DATASIZE_7 = 7;<a name="line.42"></a>
<FONT color="green">043</FONT>        public static final int DATASIZE_8 = 8;<a name="line.43"></a>
<FONT color="green">044</FONT>    <a name="line.44"></a>
<FONT color="green">045</FONT>        // SET_PARITY values<a name="line.45"></a>
<FONT color="green">046</FONT>        public static final int PARITY_REQUEST = 0;<a name="line.46"></a>
<FONT color="green">047</FONT>        public static final int PARITY_NONE = 1;<a name="line.47"></a>
<FONT color="green">048</FONT>        public static final int PARITY_ODD = 2;<a name="line.48"></a>
<FONT color="green">049</FONT>        public static final int PARITY_EVEN = 3;<a name="line.49"></a>
<FONT color="green">050</FONT>        public static final int PARITY_MARK = 4;<a name="line.50"></a>
<FONT color="green">051</FONT>        public static final int PARITY_SPACE = 5;<a name="line.51"></a>
<FONT color="green">052</FONT>    <a name="line.52"></a>
<FONT color="green">053</FONT>        // SET_STOPSIZE values<a name="line.53"></a>
<FONT color="green">054</FONT>        public static final int STOPSIZE_REQUEST = 0;<a name="line.54"></a>
<FONT color="green">055</FONT>        public static final int STOPSIZE_1 = 1;<a name="line.55"></a>
<FONT color="green">056</FONT>        public static final int STOPSIZE_2 = 2;<a name="line.56"></a>
<FONT color="green">057</FONT>        public static final int STOPSIZE_1_5 = 3;<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>        // SET_CONTROL values<a name="line.59"></a>
<FONT color="green">060</FONT>        public static final int CONTROL_OUTBOUND_FLOW_REQUEST = 0;<a name="line.60"></a>
<FONT color="green">061</FONT>        public static final int CONTROL_OUTBOUND_FLOW_NONE = 1;<a name="line.61"></a>
<FONT color="green">062</FONT>        public static final int CONTROL_OUTBOUND_FLOW_XON_XOFF = 2;<a name="line.62"></a>
<FONT color="green">063</FONT>        public static final int CONTROL_OUTBOUND_FLOW_HARDWARE = 3;<a name="line.63"></a>
<FONT color="green">064</FONT>        public static final int CONTROL_BREAK_REQUEST = 4;<a name="line.64"></a>
<FONT color="green">065</FONT>        public static final int CONTROL_BREAK_ON = 5;<a name="line.65"></a>
<FONT color="green">066</FONT>        public static final int CONTROL_BREAK_OFF = 6;<a name="line.66"></a>
<FONT color="green">067</FONT>        public static final int CONTROL_DTR_REQUEST = 7;<a name="line.67"></a>
<FONT color="green">068</FONT>        public static final int CONTROL_DTR_ON = 8;<a name="line.68"></a>
<FONT color="green">069</FONT>        public static final int CONTROL_DTR_OFF = 9;<a name="line.69"></a>
<FONT color="green">070</FONT>        public static final int CONTROL_RTS_REQUEST = 10;<a name="line.70"></a>
<FONT color="green">071</FONT>        public static final int CONTROL_RTS_ON = 11;<a name="line.71"></a>
<FONT color="green">072</FONT>        public static final int CONTROL_RTS_OFF = 12;<a name="line.72"></a>
<FONT color="green">073</FONT>        public static final int CONTROL_INBOUND_FLOW_REQUEST = 13;<a name="line.73"></a>
<FONT color="green">074</FONT>        public static final int CONTROL_INBOUND_FLOW_NONE = 14;<a name="line.74"></a>
<FONT color="green">075</FONT>        public static final int CONTROL_INBOUND_FLOW_XON_XOFF = 15;<a name="line.75"></a>
<FONT color="green">076</FONT>        public static final int CONTROL_INBOUND_FLOW_HARDWARE = 16;<a name="line.76"></a>
<FONT color="green">077</FONT>        public static final int CONTROL_OUTBOUND_FLOW_DCD = 17;<a name="line.77"></a>
<FONT color="green">078</FONT>        public static final int CONTROL_INBOUND_FLOW_DTR = 18;<a name="line.78"></a>
<FONT color="green">079</FONT>        public static final int CONTROL_OUTBOUND_FLOW_DSR = 19;<a name="line.79"></a>
<FONT color="green">080</FONT>    <a name="line.80"></a>
<FONT color="green">081</FONT>        // SET_LINESTATE_MASK bit values<a name="line.81"></a>
<FONT color="green">082</FONT>        public static final int LINESTATE_TIME_OUT = 0x80;<a name="line.82"></a>
<FONT color="green">083</FONT>        public static final int LINESTATE_TRANSFER_SHIFT_REGISTER_EMPTY = 0x40;<a name="line.83"></a>
<FONT color="green">084</FONT>        public static final int LINESTATE_TRANSFER_HOLDING_REGISTER_EMPTY = 0x20;<a name="line.84"></a>
<FONT color="green">085</FONT>        public static final int LINESTATE_BREAK_DETECT = 0x10;<a name="line.85"></a>
<FONT color="green">086</FONT>        public static final int LINESTATE_FRAMING_ERROR = 0x08;<a name="line.86"></a>
<FONT color="green">087</FONT>        public static final int LINESTATE_PARITY_ERROR = 0x04;<a name="line.87"></a>
<FONT color="green">088</FONT>        public static final int LINESTATE_OVERRUN_ERROR = 0x02;<a name="line.88"></a>
<FONT color="green">089</FONT>        public static final int LINESTATE_DATA_READY = 0x01;<a name="line.89"></a>
<FONT color="green">090</FONT>    <a name="line.90"></a>
<FONT color="green">091</FONT>        // SET_MODEMSTATE_MASK bit values<a name="line.91"></a>
<FONT color="green">092</FONT>        public static final int MODEMSTATE_CARRIER_DETECT = 0x80;<a name="line.92"></a>
<FONT color="green">093</FONT>        public static final int MODEMSTATE_RING_INDICATOR = 0x40;<a name="line.93"></a>
<FONT color="green">094</FONT>        public static final int MODEMSTATE_DSR = 0x20;<a name="line.94"></a>
<FONT color="green">095</FONT>        public static final int MODEMSTATE_CTS = 0x10;<a name="line.95"></a>
<FONT color="green">096</FONT>        public static final int MODEMSTATE_DELTA_CARRIER_DETECT = 0x08;<a name="line.96"></a>
<FONT color="green">097</FONT>        public static final int MODEMSTATE_TRAILING_EDGE_RING_DETECTOR = 0x04;<a name="line.97"></a>
<FONT color="green">098</FONT>        public static final int MODEMSTATE_DELTA_DSR = 0x02;<a name="line.98"></a>
<FONT color="green">099</FONT>        public static final int MODEMSTATE_DELTA_CTS = 0x01;<a name="line.99"></a>
<FONT color="green">100</FONT>    <a name="line.100"></a>
<FONT color="green">101</FONT>        // PURGE_DATA values<a name="line.101"></a>
<FONT color="green">102</FONT>        public static final int PURGE_DATA_RECEIVE_DATA_BUFFER = 0x01;<a name="line.102"></a>
<FONT color="green">103</FONT>        public static final int PURGE_DATA_TRANSMIT_DATA_BUFFER = 0x02;<a name="line.103"></a>
<FONT color="green">104</FONT>        public static final int PURGE_DATA_BOTH_DATA_BUFFERS = 0x03;<a name="line.104"></a>
<FONT color="green">105</FONT>    <a name="line.105"></a>
<FONT color="green">106</FONT>        private RFC2217() {<a name="line.106"></a>
<FONT color="green">107</FONT>        }<a name="line.107"></a>
<FONT color="green">108</FONT>    <a name="line.108"></a>
<FONT color="green">109</FONT>        /**<a name="line.109"></a>
<FONT color="green">110</FONT>         * Decode an RFC 2217 {@code COM-PORT-OPTION} command.<a name="line.110"></a>
<FONT color="green">111</FONT>         *<a name="line.111"></a>
<FONT color="green">112</FONT>         * @throws IllegalArgumentException if the bytes are not a valid encoded RFC 2217 {@link #COM_PORT_OPTION}<a name="line.112"></a>
<FONT color="green">113</FONT>         */<a name="line.113"></a>
<FONT color="green">114</FONT>        public static ComPortCommand decodeComPortCommand(int[] bytes) {<a name="line.114"></a>
<FONT color="green">115</FONT>            if (bytes.length &lt; 2)<a name="line.115"></a>
<FONT color="green">116</FONT>                throw new IllegalArgumentException("length &lt; 2");<a name="line.116"></a>
<FONT color="green">117</FONT>            if (bytes[0] != COM_PORT_OPTION)<a name="line.117"></a>
<FONT color="green">118</FONT>                throw new IllegalArgumentException("not a COM-PORT-OPTION (option = " + bytes[0] + ")");<a name="line.118"></a>
<FONT color="green">119</FONT>            switch (bytes[1]) {<a name="line.119"></a>
<FONT color="green">120</FONT>            case SIGNATURE:<a name="line.120"></a>
<FONT color="green">121</FONT>            case SIGNATURE + SERVER_OFFSET:<a name="line.121"></a>
<FONT color="green">122</FONT>                return new SignatureCommand(bytes);<a name="line.122"></a>
<FONT color="green">123</FONT>            case SET_BAUDRATE:<a name="line.123"></a>
<FONT color="green">124</FONT>            case SET_BAUDRATE + SERVER_OFFSET:<a name="line.124"></a>
<FONT color="green">125</FONT>                return new BaudRateCommand(bytes);<a name="line.125"></a>
<FONT color="green">126</FONT>            case SET_DATASIZE:<a name="line.126"></a>
<FONT color="green">127</FONT>            case SET_DATASIZE + SERVER_OFFSET:<a name="line.127"></a>
<FONT color="green">128</FONT>                return new DataSizeCommand(bytes);<a name="line.128"></a>
<FONT color="green">129</FONT>            case SET_PARITY:<a name="line.129"></a>
<FONT color="green">130</FONT>            case SET_PARITY + SERVER_OFFSET:<a name="line.130"></a>
<FONT color="green">131</FONT>                return new ParityCommand(bytes);<a name="line.131"></a>
<FONT color="green">132</FONT>            case SET_STOPSIZE:<a name="line.132"></a>
<FONT color="green">133</FONT>            case SET_STOPSIZE + SERVER_OFFSET:<a name="line.133"></a>
<FONT color="green">134</FONT>                return new StopSizeCommand(bytes);<a name="line.134"></a>
<FONT color="green">135</FONT>            case SET_CONTROL:<a name="line.135"></a>
<FONT color="green">136</FONT>            case SET_CONTROL + SERVER_OFFSET:<a name="line.136"></a>
<FONT color="green">137</FONT>                return new ControlCommand(bytes);<a name="line.137"></a>
<FONT color="green">138</FONT>            case NOTIFY_LINESTATE:<a name="line.138"></a>
<FONT color="green">139</FONT>            case NOTIFY_LINESTATE + SERVER_OFFSET:<a name="line.139"></a>
<FONT color="green">140</FONT>                return new NotifyLineStateCommand(bytes);<a name="line.140"></a>
<FONT color="green">141</FONT>            case NOTIFY_MODEMSTATE:<a name="line.141"></a>
<FONT color="green">142</FONT>            case NOTIFY_MODEMSTATE + SERVER_OFFSET:<a name="line.142"></a>
<FONT color="green">143</FONT>                return new NotifyModemStateCommand(bytes);<a name="line.143"></a>
<FONT color="green">144</FONT>            case FLOWCONTROL_SUSPEND:<a name="line.144"></a>
<FONT color="green">145</FONT>            case FLOWCONTROL_SUSPEND + SERVER_OFFSET:<a name="line.145"></a>
<FONT color="green">146</FONT>                return new FlowControlSuspendCommand(bytes);<a name="line.146"></a>
<FONT color="green">147</FONT>            case FLOWCONTROL_RESUME:<a name="line.147"></a>
<FONT color="green">148</FONT>            case FLOWCONTROL_RESUME + SERVER_OFFSET:<a name="line.148"></a>
<FONT color="green">149</FONT>                return new FlowControlResumeCommand(bytes);<a name="line.149"></a>
<FONT color="green">150</FONT>            case SET_LINESTATE_MASK:<a name="line.150"></a>
<FONT color="green">151</FONT>            case SET_LINESTATE_MASK + SERVER_OFFSET:<a name="line.151"></a>
<FONT color="green">152</FONT>                return new LineStateMaskCommand(bytes);<a name="line.152"></a>
<FONT color="green">153</FONT>            case SET_MODEMSTATE_MASK:<a name="line.153"></a>
<FONT color="green">154</FONT>            case SET_MODEMSTATE_MASK + SERVER_OFFSET:<a name="line.154"></a>
<FONT color="green">155</FONT>                return new ModemStateMaskCommand(bytes);<a name="line.155"></a>
<FONT color="green">156</FONT>            case PURGE_DATA:<a name="line.156"></a>
<FONT color="green">157</FONT>            case PURGE_DATA + SERVER_OFFSET:<a name="line.157"></a>
<FONT color="green">158</FONT>                return new PurgeDataCommand(bytes);<a name="line.158"></a>
<FONT color="green">159</FONT>            default:<a name="line.159"></a>
<FONT color="green">160</FONT>                throw new IllegalArgumentException("unrecognized COM-PORT-OPTION command " + bytes[1]);<a name="line.160"></a>
<FONT color="green">161</FONT>            }<a name="line.161"></a>
<FONT color="green">162</FONT>        }<a name="line.162"></a>
<FONT color="green">163</FONT>    }<a name="line.163"></a>
<FONT color="green">164</FONT>    <a name="line.164"></a>




























































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